What was the thornton affair?
a. a mexican attack on us troops in a disputed territory near the rio grande
b. an attempt to buy california for $25 million
c. a meeting by mapmakers to change the border of the united states and mexico
d. an attempt to bribe mexican officials to avoid war

in 1897, pershing became a tactical officer at west point, and that's where he was given the nickname "black jack." pershing's first name is "john," for which "jack" is a nickname, and he was a white man who commanded black troops. hence "black jack".

reread your text and you will find the answer. stay focused ignore all your distractions.

explanation:

the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69